40599946 has 8 divisors (see below), whose sum is σ = 60946560. Its totient is φ = 20284428.

The previous prime is 40599919. The next prime is 40599947. The reversal of 40599946 is 64999504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 40599896 and 40599905.

It is not an unprimeable number, because it can be changed into a prime (40599947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4176 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (7618320).

Almost surely, 2^40599946 is an apocalyptic number.

40599946 is a deficient number, since it is larger than the sum of its proper divisors (20346614).

40599946 is a wasteful number, since it uses less digits than its factorization.

40599946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15548.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 40599946 is about 6371.8086914156. The cubic root of 40599946 is about 343.6965335686.

The spelling of 40599946 in words is "forty million, five hundred ninety-nine thousand, nine hundred forty-six".